phishing exercise

Python exercise question 019: Sum of score sequences, python019 [Python exercise 019]There is a fractional sequence: 2/1, 3/2, 5/3, 8/5, 13/8, 21/13... to find the sum of the first 20 items of this series. ----------------------------------------------- This question does not seem to be difficult. The rule is: the numerator of the last score = the numerator + denominator of the previous score, and the denom

Python exercise 018: Print asterisks and python018 [Python exercise 018]Print the example (diamond ): * *** ************ ***** *** * ---------------------------------------------- This is simple. You only need to know the built-in method str of Python. center (width [, fillchar]) can be easily printed: str is an asterisk with varying numbers, width is the maximum width (7 spaces), and the default fil

Python exercise 020: accumulated, python020 [Python exercise 020]1 + 2! + 3! +... + 20! And -------------------------------------------------- It is said that this question is a problem of "accumulation", put "1 + 2! + 3! +... + 20 !" Expand: 11*21*2*31*2*3*4......1*2*3*4 ...... * 20 After understanding this rule, the problem can be solved. The Code is as follows: Sum = 0x = 1for I in range (1, 21): x

Python exercise question 009: daffodils, python009 [Python exercise question] print out all the "Daffodils". The so-called "Daffodils" refers to a three-digit number, each of which is equal to the number itself. For example, 153 is a "Daffodils" because 153 = the power of 1 + the power of 5 + the power of 3. ---------------------------------------------------------------------- This is also a question, a

Python exercise 013: Solving a + aa + aaa ......, Python [Python exercise 013]Evaluate the value of s = a + aa + aaa + aaaa + aa... a, where a is a number. For example, 2 + 22 + 222 + 2222 + 22222 (a total of 5 numbers are added at this time. This question is not difficult. In fact, a + aa + aaa + aa... a can be converted to (a * 10 ** 0) + (a * 10 ** 1) + (a * 10 ** 2 )...... Then convert it to a * (10 *

Python exercise question 005: three numbers are output in ascending order and python005 [Python exercise question 005]Input three integers x, y, and z. Please output these three numbers from small to large. ----------------------------------------------------------------------- It should be easier to think about this question: it is nothing more than getting three numbers first, and then compare the size

is a reference to the two const string.When we use the function name as a value, the Change function is automatically converted to a pointer.void Usebright (const string AMP;S1, const string AMP;S2, BOOL PF (const string , const string ));Equivalent to: PF is automatically converted as a parameter to a pointervoid Usebright (const string AMP;S1, const string AMP;S2, BOOL (pf*) (const string , const string ));Similarly, the simplest way to declare a function that returns a function pointer is to

Exercise: Traffic statisticsAll of the resources in a project are accessed to accumulate the amount of traffic!Create a variable of type int to save the traffic and then save it to the ServletContext domain so that all the servlets can be accessed!　　　1, initially, the ServletContext does not save the traffic related attributes;2, when the site was first accessed, create a variable, set its value to 1; save to ServletContext;3, when the subsequent acce

1353:c Language Programming Tutorial (third Edition) After class exercise 10.4 time limit:1 Sec Memory limit:128 MBsubmit:296 solved:219[Submit] [Status] [BBS] Description have n integers, so that the previous number of sequential moves backward m position, the last m number into the first number of M, see figure. Write a function: To achieve the above function, in the main function input n number and output adjusted n number. The number of i

Php Server: php server php exercise 1 -- Calculator: GOAL: enter two numbers. The program for calculating two numbers and the difference product is as follows: the jisuanqi.html and jiSuanQi. php files are as follows: Objective: to input two numbers and calculate the sum, difference, product, and quotient of the two numbers. The program is as follows: two files: jisuanqi.html and jiSuanQi. php The result is as follows: The abov

: This article mainly introduces COOKIES for PHP exercise project notes. For more information about PHP tutorials, see. Cookies are set during login and exit. To save logon and exit 1: Set on the logon page // Set the cookie value_ Setcookies ($ _ rows ['tg _ username'], $ _ rows ['tg _ uniqid'], $ _ clean ['Time']);_ Location (null, 'index. php '); Step 2: generate a cookie, /*** _ Setcookies * @ param unknown $ _ username * @ param unknown $ _ uni

Vi replacement command usage exercise environment www.2cto. comRedHatLinux9 + VWWare8.0 + SSH3.2.9 assume that there is a CSV (commaseparatedvalue) file, which contains some information we need, but the format is incorrect. the column sequence of the data is as follows :... Vi replacement command usage exercise environment www.2cto.com RedHat Linux 9 + VWWare 8.0 + SSH 3.2.9 question suppose there is a CSV

Exercise 9.26 uses the following code to define IA, copy ia to a vector and a list, use a single iterator version of erase to remove odd elements from the list, and remove even elements from the vector1#include 2#include 3#include 4 using namespacestd;5 6vectorint> Deletevect (vectorint> Veca)//References7 {8Auto it =Veca.begin ();9 while(It! =veca.end ())Ten if(*it%2==0) Oneit = veca.erase (it);//Delete an even number of them A

Note: This essay is directly referenced in the "C++primer (fourth Edition) Exercise solution (full version)". Here is mainly for the convenience of my repeated reading later.Exercise 1.19What results will the program produce if the number 1000 and 2000 are given in the title? Modify the program so that each line outputs no more than 10 digits.Troubleshooting1 intMain ()2 {3 intv1, v2, low,up;4cout "Enter Tow Numbers"Endl;5Cin >> v1 >>v2;6 if(V

Note: This essay is directly transcribed in the C++primer (fourth edition) Exercise solution (full version). Here is mainly for the convenience of my repeated reading later.Exercise 1.8Indicates that the following output statements are valid (if any). " /* " ; " */ " ; /* " */ " */;Predict the results, and then compile the program that contains the three statements above to check your answers. Correct the errors encountered.Troubleshootin

Note: This essay is directly transcribed in the C++primer (fourth edition) Exercise solution (full version). Here is mainly for the convenience of my repeated reading later.Exercise 1.2Modify the program so that it returns-1. The return value of 1 is typically an indicator that the program failed to run. However, the system differs, how (or even) reports that the main function fails to run differently. Recompile and run the program again to see how yo

For Exercise 8.61 //ConsoleApplication10.cpp: Defines the entry point of the console application. 2 //3 4#include"stdafx.h"5#include 6#include 7#include 8 9 using namespacestd;Ten One A voidPrint (IStream inch) - { - stringstr; the while(inch>>str) - { -cout Endl; - } + } - + intMain () A { atIfstreaminch("D://hello.txt"); -Printinch); - inch. Clear (); - inch. Close (); - return 0; -}For

"python exercise 004" Enter a certain day of the year, judging the day is the first of the year?----------------------------------------------This problem actually wrote 28 lines of code! It also does not include validation of the input data (only assuming that the date entered is strictly in the format). But I firmly believe that there must be a more concise approach, such as Python's handling of dates.However, they have not learned this knowledge, n

"Python exercise 028" to find the sum of diagonal elements of a 3*3 matrix-----------------------------------------------------This solution is solved, but always feel that the code is too verbose. Matrix This thing, there should be a very readily available method can be calculated directly to ... The verbose code is as follows:str = input (' Please enter 9 digits separated by a space to form the 3*3 matrix: ') n = [Int (i) for I in Str.split (")] #获

=$_post["Sex"]; $birthday=$_post["Birthday"]; $url="/lianxi/wenjianshangchuan/". $filename; $sql="Insert User values (' ', ' {$uid} ', ' {$pwd} ', ' {$name} ', ' {$sex} ', ' {$birthday} ', ' {$url} ')"; $result= $db->query ($sql,0);if($result) {header ("loaction:login.php");}Else{echo"Add failed";}Exercise two: File download"-//W3C//DTD XHTML 1.0 transitional//en" "HTTP://WWW.W3.ORG/TR/XHTML1/DTD/XHTML1-TRANSITIONAL.DTD">"http://www.w3.org/1999/xhtml"